diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7a76ddb64fe277a3fc0f66a48edfadc7cf7250c0..cd37ccfd0697a141ad8a9674e7cd361f82a763ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -66,7 +66,7 @@ pages:
   image: morkolai/paa-bittet-ci
   script:
   - mkdir public
-  - pip install pdoc3
+  - pip install pdoc3 pyside2
   - pdoc --version
   - pdoc soitool --html
   - mv ./html/soitool/* ./public